JP3281082B2 - Car interior material mounting structure - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an interior material mounting structure for an automobile in which a vehicle interior side of a vehicle body component having a closed cross-section structure located around the head of an occupant is decorated by trim. The present invention relates to an interior material mounting structure for protecting a passenger when the head of the passenger interferes with a vehicle body component.

[0002]

2. Description of the Related Art Conventionally, various measures have been proposed and implemented as a measure for protecting an occupant in the event of a collision of an automobile. However, it is important to consider the relationship between the body of the occupant, such as the head, and the side of the passenger compartment in consideration of the case where the impact is large, and it is necessary to take measures against this side collision. For example, as an occupant protection measure in the event of a side collision, there is a technique disclosed in Japanese Patent Application Laid-Open No. 4-78749. There is room for consideration.

[0003]

In such a conventional automobile, since the vehicle body components such as a front pillar and a roof side rail provided on the side of the vehicle body are structural members of the vehicle body, each of them is formed in a closed sectional structure. In addition, the rigidity is significantly increased while reducing the weight. Therefore, it is desired to configure the vehicle body component having increased rigidity with higher safety from the viewpoint of protection of occupants.

[0004] Further, on the vehicle cabin side of the vehicle body constituting member,
JP-A-63-75451 (B60R 13/0)
As disclosed in 2), a trim is mounted to decorate this vehicle body component. Even when the vehicle body component is covered with the trim as described above, the trim is directly attached to the vehicle body component, so that when the occupant's head interferes with the vehicle body component, the trim has a sufficient cushioning function. Cannot be expected, and occupant protection cannot be guaranteed by this trim itself.

[0005] In view of the above-mentioned problems, the present invention provides a trim that decorates the interior of the vehicle body with a cushioning function to improve the safety of the occupant in a side collision. It is an object of the present invention to provide an interior material mounting structure.

[0006]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention comprises a vehicle body component having a closed sectional structure located around the head of an occupant, and the interior of the vehicle body component is covered with trim. In an interior material mounting structure for an automobile to be decorated, a cushion is provided between the vehicle body constituent member and the trim with a thickness necessary to absorb an impact force when the occupant's head interferes with the trim with a predetermined load. When the trim is moved between the mounting member and the vehicle body constituent member while deforming the cushioning material, the trim is supported between the mounting member and the vehicle body constituent member with a material interposed therebetween. It provided a shock absorbing mechanism for absorbing the forces, the shock absorbing unit
The structure is a seat part of the vehicle body component where the mounting member is attached,
The seat itself is easily deformed by the moving force of the trim
It is configured as a reduced rigidity part .

[0007]

[0008]

[0009] The present invention also provides a vehicle which is located around the head of an occupant.
A vehicle body component having a closed cross section structure,
Of interior materials for automobiles that are decorated with trim covering the interior
In the attachment structure, between the vehicle body constituent member and the trim
At the same time, the occupant's head interferes with this trim with a specified load.
Cushioning material with the thickness necessary to absorb the impact force
The trim is interposed, and this trim is attached via a mounting member.
And the mounting member and the vehicle body constituent member.
The trim moves while deforming the cushioning material
Shock absorbing mechanism to absorb the moving force when
The shock absorbing mechanism has a long hole-shaped mounting hole for fitting and locking the mounting member in the vehicle body component, and the mounting member that is moved by the moving force of the trim is formed inside the mounting hole. depending on forming a narrow portion for moving resistance while being
It is composed .

[0010] Furthermore, the present invention provides a method for positioning a vehicle around an occupant's head.
A vehicle body component having a closed cross section structure,
Of interior materials for automobiles that are decorated with trim covering the interior
In the attachment structure, between the vehicle body constituent member and the trim
At the same time, the occupant's head interferes with this trim with a specified load.
Cushioning material with the thickness necessary to absorb the impact force
The trim is interposed, and this trim is attached via a mounting member.
And the mounting member and the vehicle body constituent member.
The trim moves while deforming the cushioning material
Shock absorbing mechanism to absorb the moving force when
The shock absorbing mechanism includes a mounting member including an expandable hollow holder that locks the trim and the vehicle body component, and a pin having one end abutting on the trim and the other end inserted into the hollow portion of the holder. configuring, by pushing the pin in the holder by the moving force of the trim, it is forced configuration for expanding the holder.

[0011] Furthermore, the present invention provides a method for positioning a vehicle around an occupant's head.
A vehicle body component having a closed cross-section structure
The interior of the car decorating the interior of the vehicle interior with trim
In the material mounting structure, the vehicle body constituent member and the trim
During this time, the occupant's head
Shock absorbing with the thickness necessary to absorb the impact force when crossing
Material is interposed, and this trim is attached to the vehicle
The mounting member and the vehicle body configuration are supported by a member.
Between the member and the trim while deforming the cushioning material
A shock absorbing mechanism that absorbs the moving force when moving
In addition, the shock absorbing mechanism is formed at a portion that supports the mounting member on the trim, and is configured as a cutout portion that breaks the supporting portion by the moving force of the trim.

Further, the present invention provides a vehicle which is located around the head of an occupant.
A vehicle body component having a closed cross section structure,
Of interior materials for automobiles that are decorated with trim covering the interior
In the attachment structure, the vehicle body component and the trim
In the meantime, the occupant's head interferes with this trim with a specified load
Cushioning material with the thickness necessary to absorb the impact force
And the trim is attached to the vehicle body component via the mounting member.
Material, and the mounting member and the vehicle body component.
Between the material and the cushion while deforming the cushioning material.
Providing a shock absorbing mechanism to absorb the moving force when moved,
In the shock absorbing mechanism, a mounting hole for fitting and locking the mounting member is formed in the vehicle body constituent member, and a projection portion for pushing the mounting member into the mounting hole with a resistive force by the moving force of the trim is formed outside the mounting member. Thus configured to be.

[0013]

According to the above construction, in the interior material mounting structure for an automobile according to the present invention, the impact force when the occupant's head interferes with the trim with a predetermined load is absorbed between the vehicle body component and the trim. When the head of the occupant interferes with the trim for decorating the vehicle body component at the time of a side collision, the shock force at this time can be absorbed by the cushioning material. As a result, the protection of the head can be significantly improved and the safety of the occupant can be ensured. Also,
Since the trim is supported by the vehicle body component via the mounting member, even when the cushioning material is interposed between the trim and the vehicle body component, the trim can be prevented from dropping off.

[0014] Further, between the mounting member and the vehicle body constituting member,
The shock absorbing mechanism that absorbs the moving force when the trim moves while deforming the cushioning material is provided, and this shock absorbing function is combined with the cushioning function of the cushioning material that deforms when the occupant's head interferes. The mechanism can absorb the moving force of the trim, that is, the impact force when the head interferes, and can further improve the safety of the occupant.

By providing the shock absorbing mechanism as a rigidity-lowering portion in which the seat itself is easily deformed by the moving force of the trim, on the seat to which the mounting member of the vehicle body component is attached, the occupant's head is improved. Is transmitted to the reduced rigidity portion via the mounting member, and the impact force can be absorbed by deformation of the reduced rigidity portion.

The shock absorbing mechanism may further include a mounting member that is moved by a trim moving force inside a long hole-shaped mounting hole formed in a vehicle body component for fittingly locking the mounting member. When the trim is moved by the impact force when the head of the occupant interferes with the trim by being formed by forming a narrow portion that moves while resisting the moving force, the mounting member is attached accordingly. The impact force can be absorbed by moving the narrow portion of the hole.

Further, the shock absorbing mechanism includes a mounting member,
It consists of an expandable hollow holder that locks the trim and the vehicle body component, and a pin whose one end is in contact with the trim and the other end is inserted into the hollow part of the holder, and the moving force of the trim causes this to move. By pushing the pin into the holder and forcibly expanding the holder,
The resistance when the pin is pushed in while expanding in the holder can absorb the impact force when the head interferes.

Further, the shock absorbing mechanism is formed at a portion for supporting the mounting member on the trim, and is configured as a cutout portion that breaks the support portion by the moving force of the trim. Thereby, the impact force when the head interferes can be absorbed.

Further, the shock absorbing mechanism is provided with a mounting hole for fitting and locking the mounting member in the vehicle body constituting member, and the mounting member is formed outside the mounting member by a moving force of the trim with a resistance against the mounting hole. By forming the protrusion by pressing in, the impact force when the head interferes with the resistance force when the protrusion is pressed into the mounting hole can be absorbed.

[0020]

Embodiments of the present invention will be described below in detail with reference to the accompanying drawings. 1 to 5 show a first embodiment of an automobile interior material mounting structure according to the present invention. FIG. 1 is an overall perspective view of an automobile to which the present invention is applied, and FIG. 2 is a sectional view taken along line AA in FIG. FIG. 3 is an exploded perspective view of a vehicle body constituent member to which the present invention is applied, FIG. 4 is an enlarged perspective view of a main part of the vehicle body constituent member, and FIG. 5 is a diagram illustrating an operation of a shock absorbing mechanism used in the present invention. FIG.

That is, as shown in FIG. 1, the automobile 10 to which the interior material mounting structure of this embodiment is applied has a front pillar 16, a center pillar 18 and a rear pillar 20 between the roof 12 and the body main body 14. And the like, and a window is formed between these pillars 16, 18, and 20. The front pillar 16 has the cross-sectional structure shown in FIG. 2, and an example in which the present invention is applied to the front pillar 16 will be described below.

As shown in FIG. 3, the front pillar 16 has an outer pillar panel 22 formed of a steel plate.
And the inner pillar panel 24. The pillar outer panel 22 is recessed to the outside of the cabin R, and the pillar inner panel 24 is recessed to the inside of the cabin R. The front pillar 16 is closed by spot welding both sides thereof to each other. It is configured as a cross-sectional structure. In addition, both side portions spot-welded in this manner become flange portions 16a and 16b, and are protrudingly provided rearward (rightward in FIG. 2) and inward (upper left in FIG. 2) of the vehicle.

A weather strip 26 is attached to the outside of the front pillar 16 on the rear side of the vehicle, and a front door glass 28 is brought into contact with the weather strip 26. A front window glass 30 is closely fixed to the outside of the front pillar 16 outside the flange portion 16b inside the vehicle. Further, the flange portion 16b projects into the interior of the cabin R of the front pillar 16.
Is fitted and covered with a seaming welt 32 having a substantially U-shaped cross section. Furthermore, a trim 34 as an interior material is attached between the flange portions 16a and 16b on both sides inside the cabin R of the front pillar 16, and the pillar inner panel 24 is decorated by the trim 34. Has become.

In this embodiment, when attaching the trim 34 to the front pillar 16, a cushion material 36 such as urethane foam as a cushioning material is interposed between the trim 34 and the front pillar 16. ing. The cushion material 36 has a thickness t necessary to absorb an impact force when an occupant head (not shown) interferes with the trim 34 of the front pillar 16 with a predetermined load.

The back side of the trim 34 (the pillar 16
Side) A plurality of fasteners 38 as mounting members are provided at a substantially central portion at appropriate intervals in the length direction thereof, and a trim 34 is attached to the front pillar 16 via the fasteners 38.
Attached to. The head 38a of the fastener 38 is held by a substantially U-shaped holding piece 40 which is integrally provided from the trim 34. On the other hand, mounting holes 42 are formed in the front pillars 16 at positions corresponding to the fasteners 38, and the front ends of the fasteners 38 are fitted and locked in the mounting holes 42. The cushion member 36 has openings 44 corresponding to the positions where the holding pieces 40 are formed.
Are formed, and the holding pieces 40 are fitted into the openings 44.

A pair of slits of a predetermined length extending in the longitudinal direction of the front pillar 16 as shown in FIG. 4 are provided on both sides in the width direction of the fastener mounting seat portion 46 in which the mounting holes 42 of the front pillar 16 are formed. 48 is formed,
A pair of flexures 50 are recessed across the mounting holes 42 between both formed ends of the pair of slits 48. Therefore, the fastener mounting seat 46 is provided with the slit 48
The fastener mounting seat portion 46 is surrounded by the pillar inner panel 24 in the thickness direction (FIG. 2).
(The X direction shown in the figure). Further, the fastener mounting seat 46 is provided with a bending portion 50.
Due to this, a slight deformation is possible in the front of the vehicle (Y direction shown in FIG. 2), and the fastener mounting seat 46 which can be deformed in the X direction and the Y direction becomes the rigidity reduced portion 52. Thus, a shock absorbing mechanism is configured.

In this embodiment, as shown in FIGS. 4 and 5, the mounting hole 42 is formed in a long hole shape by notching toward the front of the vehicle (Y direction), and the fastener 38 is locked. A first narrow portion 54 having a projection shape is formed at the boundary between the notch portion and the notch portion 42a, and the notch portion 42a
Is formed with a second narrow portion 54a which is reduced in width as the fastener 38 is separated from the locking portion. The first and second narrow portions 54 and 54a also constitute an impact absorbing mechanism.

In the interior material mounting structure of the present embodiment having the above configuration, the trim 34 is mounted on the pillar inner panel 24 via the fastener 38,
The interior of the cabin R of the front pillar 16 is decorated,
A cushion member 36 is interposed between the trim 34 and the front pillar 16. The cushion member 36 has a predetermined thickness t necessary to absorb an impact force when the occupant's head interferes with the trim 36 of the front pillar 16 with a predetermined load. When the vehicle interferes with the front pillar 16, the cushioning member 36 deforms to absorb the impact force at this time, significantly improving the protection of the head, and ensuring the safety of the occupant.

The trim 34 is connected to the fastener 3.
Since it is attached to the front pillar 16 via 8,
Even when the cushion member 36 is interposed, the trim 34 can be securely held on the front pillar 16.

Further, in the present embodiment, in addition to the provision of the cushion material 36, the fastener mounting seat 46 is formed as a rigidity reduced portion 52 by the slit 48 and the bending portion 50, and the mounting hole 42 of the fastener 38 is formed. The first and second narrow portions 54 and 54a are formed in an elongated hole shape. Therefore, when the occupant's head interferes with the trim 34, the trim 3
In particular, when the trim 34 is moved in the X direction in FIG. 2, the fastener mounting seat 46 is deformed, so that the effect of absorbing the impact force can be further improved.

When the trim 34 is moved in the Y direction in FIG. 2, the impact force can be absorbed by a slight deformation of the fastener mounting seat 46. In particular, in the Y direction, the first and second widths can be absorbed. The function of the narrow portions 54 and 54a allows the impact force to be greatly absorbed. That is, when a large moving force in the Y direction is input to the fastener 38, the first narrow portion 54 breaks the first narrow portion 54 and moves toward the notch portion 42a. First
When the narrow portion 54 is broken, the impact force can be absorbed. Further, when the fastener 38 is further moved, the impact force is absorbed by the fastener 38 biting into the reduced second narrow portion 54a.

Therefore, when the occupant's head interferes with the front pillar 16 with a larger load, the impact is absorbed not only by the cushion member 36 but also by the reduced rigidity portion 52 and / or the first and second narrow portions 54 and 54a. Therefore, protection of the occupant's head during a side collision can be significantly improved, and occupant safety can be greatly improved. still,
In the present embodiment, the reduced rigidity portion 52 and the first and second narrow portions 5 are used.
Although the case where the two shock absorbing mechanisms 4 and 54a are provided in parallel has been disclosed, the invention is not limited to this, and only one of the shock absorbing mechanisms may be provided.

FIGS. 6 to 8 show a second embodiment of the present invention, in which the same components as those of the above-mentioned embodiment are denoted by the same reference numerals, and redundant description will be omitted. In the interior material mounting structure of this embodiment, the cushion member 36 is interposed between the trim 34 and the front pillar 16, as well as the fastener 60 itself and the trim 60 as shown in FIG. And a holding piece 40 for holding the shock absorbing mechanism.

That is, in this embodiment, the fastener 60
Is constituted by a hollow holder 62 and a pin 64 inserted into the holder 62. The holder 62 is formed in a hollow shape in which a head portion 62a is engaged with the holding piece 40 and an intermediate portion is engaged with a mounting hole 66 of the pillar inner panel 24. Is formed. The pin 64 has one end trimmed 3
4 and the other end of the holder 62
It is set in a state of being inserted into the hollow part of. When the pin 64 is pushed into the holder 62 by the movement of the trim 34, the pin 64 forcibly expands the holder 62 from the slit 62b, thereby absorbing an impact force.

On the other hand, the holding piece 40 is formed in a substantially U-shape in the same manner as in the above-described embodiment, and is provided at a portion where the holding piece 40 is connected to the trim 34 and at both side corners where the holder 62 is locked. Notch portions 68 that are broken by the movement of the trim 34 are formed. When the holding piece 40 is deformed due to the movement of the trim 34, the notch 68 is broken, and the notch 68 is broken so that the impact force is absorbed. Has become.

Accordingly, even in this embodiment, when the occupant's head interferes with the front pillar 16 at the time of a side collision, not only the cushion member 36 absorbs the impact but also the movement of the trim 34 in the X direction. While the impact is absorbed by the fastener 60 formed by the holder 62 and the pin 64,
For movement in the Y direction, the notch portion 68 formed in the holding piece 40 breaks and absorbs impact, thereby significantly improving protection of the occupant. Also in this embodiment, it is also possible to provide only one shock absorbing mechanism without juxtaposing the two shock absorbing mechanisms of the fastener 60 and the cutout portion 68.

FIGS. 9 and 10 show a third embodiment of the present invention, in which the same components as those in the above-mentioned embodiments are denoted by the same reference numerals and will not be described. In the interior material mounting structure of this embodiment, not only the cushion material 36 is interposed between the trim 34 and the front pillar 16 but also the mounting member is constituted by a locking pin 70. A shock absorbing mechanism is provided.

That is, in this embodiment, the locking pin 70 is integrally provided from the center of the rear surface of the trim 34, and the mounting hole 72 for fitting and locking the locking pin 70 is formed in the pillar inner panel 24. It is. The locking pin 70 is shown in FIG.
As shown in FIG. 7, a plurality of annular projections 74 as projections are formed on the outside thereof, and a notch 76 is formed at the base of the locking pin 70. When attaching the trim 34 to the front pillar 16, the locking pin 7 is inserted into a pin insertion hole 78 formed in the cushion material 36.
0, and the annular projection 74 at the end thereof is attached to the mounting hole 72.
To lock. The cushion member 36 is fixed to the inner surface of the vehicle interior R of the pillar inner panel 24 via an adhesive medium 80 such as an adhesive or a magic tape.

Therefore, even in this embodiment, when the occupant's head interferes with the front pillar 16 at the time of a side collision, not only the shock is absorbed by the cushion material 36 but also the trim 34 is used.
Of the locking pin 70 in the X direction.
4 absorbs a shock due to a large resistance force when pushed into the mounting hole 72, and absorbs a shock against movement in the Y direction by breaking the locking pin 70 from the notch 76, thereby protecting the occupant. It can be significantly improved. Also in this embodiment, it is also possible to provide only one shock absorbing mechanism without juxtaposing the two shock absorbing mechanisms of the annular projection 74 and the cutout portion 76.

In this embodiment, as a means for generating a resistance when the locking pin 70 is pushed in, the annular projection 7 is used.
Although the case where the plurality of warps are formed on the outer side of the locking pin 70 as shown in FIG. 11 as shown in FIG. Can be made.

FIG. 12 shows a fourth embodiment of the present invention, in which the same components as those in the previous embodiments are denoted by the same reference numerals, and a duplicate description will be omitted. That is, in this embodiment, the seaming welt 32 fitted to the flange portion 16b of the front pillar 16 is used as an attachment member, and the trim 34 is integrally provided from the seaming welt 32 to protrude therefrom. In this embodiment, a cushion member 36 interposed between the trim 34 and the front pillar 16 is bonded to the back surface of the trim 34.

Therefore, in this embodiment, the shock when the occupant's head interferes with the trim 34 is absorbed by the deformation of the cushion material 36 as the trim 34 moves. Further, the structure can be simplified by sharing the seaming welt 32 as the mounting member.

In each of the above-described embodiments, the case where the present invention is applied to the front pillar 16 is disclosed.
In addition to the front pillar 16, there are a center pillar 18, a rear pillar (not shown), a roof side rail, and the like. Even in the vehicle body components such as the pillar and the roof side rail, the occupant's head may interfere with a side collision. By applying the present invention to these vehicle body components, it goes without saying that occupant protection measures can be further improved.

[0044]

As described above, according to the first aspect of the present invention,
In the vehicle interior material mounting structure shown in (1), the cushioning material is provided between the vehicle body components and the trim with the thickness necessary to absorb the impact force when the occupant's head interferes with the trim with a predetermined load. As a result, the shock force when the occupant's head interferes with the trim during a side collision can be absorbed by the cushioning material, significantly improving the protection of the head and significantly improving the occupant's safety. be able to. Further, since the trim is supported by the vehicle body component via the mounting member, the trim is securely attached to the vehicle body component despite the interposition of the cushioning material with the vehicle body component. Dropout can be prevented.

Also, between the mounting member and the vehicle body component,
The shock absorbing mechanism that absorbs the moving force when the trim moves while deforming the cushioning material is provided, and this shock absorbing function is combined with the cushioning function of the cushioning material that deforms when the occupant's head interferes. The mechanism can absorb the moving force of the trim, that is, the impact force when the head interferes, and can further improve the safety of the occupant.

Further, since the shock absorbing mechanism is formed as a rigidity-reduced portion on the seat to which the mounting member of the vehicle body component is attached, the seat itself is easily deformed by the moving force of the trim. The impact force at the time of interference with the trim is transmitted to this reduced rigidity portion via the mounting member,
The impact force can be absorbed by the deformation of the reduced rigidity portion.

Further, in claim 2 of the present invention,
The impact absorbing mechanism is formed with a long hole-shaped mounting hole for fitting and locking the mounting member to the vehicle body component, and inside the mounting hole,
Because the narrow part that moves the mounting member moved by the movement force of the trim while resisting the movement force is formed, the impact force when the occupant's head interferes with the trim,
It can be absorbed by the resistance force when the mounting member moves in the narrow portion with the movement of the trim.

According to a third aspect of the present invention, the shock absorbing mechanism includes an expandable hollow holder that locks the trim and a vehicle body component, and one end abutting on the trim. The end is composed of a pin inserted into the hollow part of the holder, and the pin is pushed into the holder by the moving force of the trim to forcibly open the holder, so that the holder is forcibly expanded. The shock when the occupant's head interferes with the trim can be absorbed by the resistance force at the time of opening.

Further, according to a fourth aspect of the present invention, the shock absorbing mechanism is formed as a notch portion formed at a portion for supporting the mounting member on the trim and breaking the support portion by the moving force of the trim. Therefore, the impact force generated when the head interferes with the breakage of the notch can be absorbed.

Further, in claim 5 of the present invention,
The shock absorbing mechanism is formed with a mounting hole for fitting and locking the mounting member to the vehicle body constituent member, and a projection is formed outside the mounting member for pushing the mounting member into the mounting hole with a resistive force by a moving force of the trim. So that
Due to the resistance force when this projection is pushed into the mounting hole, various excellent effects can be obtained in that the impact force when the head interferes can be absorbed.

[Brief description of the drawings]

FIG. 1 is an overall perspective view showing an embodiment of an automobile to which the present invention is applied.

FIG. 2 is an enlarged sectional view taken along line AA in FIG. 1 showing the first embodiment of the present invention.

FIG. 3 is an exploded perspective view showing one embodiment of a vehicle body component to which the present invention is applied.

FIG. 4 is an enlarged perspective view of a main part showing an embodiment of a vehicle body component to which the present invention is applied.

FIG. 5 is an operation explanatory view of one embodiment of a shock absorbing mechanism used in the present invention.

FIG. 6 is a sectional view corresponding to FIG. 2, showing a second embodiment of the present invention.

FIG. 7 is an enlarged sectional view of a main part showing a mounting member according to a second embodiment of the present invention.

FIG. 8 is an enlarged sectional view of a main part showing a shock absorbing state according to a second embodiment of the present invention.

FIG. 9 is a sectional view, corresponding to FIG. 2, showing a third embodiment of the present invention.

FIG. 10 is an enlarged view showing a mounting member according to a third embodiment of the present invention.

FIG. 11 is a perspective view of a mounting member showing another embodiment of the third embodiment of the present invention.

FIG. 12 is a sectional view corresponding to FIG. 2, showing a fourth embodiment of the present invention.

[Explanation of symbols]

 Reference Signs List 10 automobile 16 front pillar (body constituting member) 32 seaming weld 34 trim 36 cushion material (buffer material) 38 fastener (mounting member) 40 holding piece 42 mounting hole 46 fastener mounting seat 52 reduced rigidity 54, 54a narrow portion Reference Signs List 60 Fastener 62 Holder 62b Slit 64 Pin 68 Notch portion 70 Locking pin (mounting member) 74 Annular projection (projection) 76 Notch portion 82 Wart-like projection (projection)

──────────────────────────────────────────────────続 き Continuation of the front page (56) References JP-A-4-78749 (JP, A) JP-A-62-157653 (JP, U) (58) Fields investigated (Int. Cl. ⁷ , DB name) B60R 13/02 F16F 7/12

Claims (5)

(57) [Claims] 1. An interior material mounting structure for an automobile, comprising: a vehicle body component having a closed cross-section structure located around the head of an occupant, wherein the interior of the vehicle body is covered with trim and decorated. A cushioning material having a thickness necessary to absorb an impact force when the occupant's head interferes with the trim with a predetermined load is provided between the trim and the trim. A shock absorbing mechanism that is supported by a member and that absorbs a moving force when the trim is moved while deforming the cushioning material, between the mounting member and the vehicle body constituent member;
Is attached to the seat of the vehicle body component where the mounting member is attached.
The rigidity that this seat itself is easily deformed by the moving force of the rim
An interior material mounting structure for an automobile, wherein the interior material mounting structure is constituted by a portion having reduced performance . 2. A closed sectional structure located around the head of an occupant.
A vehicle body component is provided, and the interior side of the vehicle body component is
Smell on car interior material mounting structure decorated and covered with rim
Between the vehicle body component and the trim.
Absorbs the impact force when it interferes with this trim with a certain load.
The buffer material is interposed with the thickness necessary to accommodate
The rim is supported on the vehicle body component via the mounting member.
Between the mounting member and the vehicle body component.
Movement when the rim is moved while deforming the cushioning material
A shock absorbing mechanism for absorbing force is provided.
There was formed on the vehicle body component member, the inner side of the slot-like mounting hole for fitting locking the mounting member, the mounting member to be moved by the moving force of the trim is moved while resisting the movement force Characterized by forming a narrow part
Interior material mounting structure of the automobile to be. 3. A closed section structure located around the head of an occupant.
A vehicle body component is provided, and the interior side of the vehicle body component is
Smell on car interior material mounting structure decorated and covered with rim
Between the vehicle body component and the trim.
Absorbs the impact force when it interferes with this trim with a certain load.
By interposing a cushioning material have a thickness required to yield, the preparative
The rim is supported on the vehicle body component via the mounting member.
Between the mounting member and the vehicle body component.
Movement when the rim is moved while deforming the cushioning material
A shock absorbing mechanism for absorbing force is provided.
However, the mounting member is configured by an expandable hollow holder that locks the trim and the vehicle body constituent member, and a pin whose one end is in contact with the trim and the other end is inserted into the hollow portion of the holder, An interior material mounting structure for an automobile, wherein the pin is pushed into a holder by a moving force of a trim to forcibly open the holder. 4. A closed section structure located around the head of an occupant.
A vehicle body component is provided, and the interior side of the vehicle body component is
Smell on car interior material mounting structure decorated and covered with rim
Between the vehicle body component and the trim.
Absorbs the impact force when it interferes with this trim with a certain load.
The buffer material is interposed with the thickness necessary to accommodate
The rim is supported on the vehicle body component via the mounting member.
Between the mounting member and the vehicle body component.
Movement when the rim is moved while deforming the cushioning material
A shock absorbing mechanism for absorbing force is provided.
But it is formed in a portion for supporting the mounting member to the trim, interior material attachment structure for an automobile, characterized in that it is constituted by a notch portion for breaking the support portion by the moving force of the trim. 5. A closed cross-section structure located around the occupant's head.
A vehicle body component is provided, and the interior side of the vehicle body component is
Smell on car interior material mounting structure decorated and covered with rim
Between the vehicle body component and the trim.
Absorbs the impact force when it interferes with this trim with a certain load.
The buffer material is interposed with the thickness necessary to accommodate
The rim is supported on the vehicle body component via the mounting member.
Between the mounting member and the vehicle body component.
Movement when the rim is moved while deforming the cushioning material
A shock absorbing mechanism for absorbing force is provided.
Is formed by forming a mounting hole for fitting and locking the mounting member in the vehicle body component member, and forming a projection on the outside of the mounting member for pushing the mounting member into the mounting hole with resistance by the moving force of the trim. An interior material mounting structure for an automobile, characterized in that: